Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.
Dependents: FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more
Fork of SPI_TFT by
See Components - RA8875 Based Display
Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.
Offline Help Manual (Windows chm)
/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)
TextDisplay.cpp@181:0032d1b8f5d4, 2019-08-02 (annotated)
- Committer:
- WiredHome
- Date:
- Fri Aug 02 02:12:26 2019 +0000
- Revision:
- 181:0032d1b8f5d4
- Parent:
- 167:8aa3fb2a5a31
- Child:
- 182:8832d03a2a29
A bit of experimenting on rotation.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WiredHome | 167:8aa3fb2a5a31 | 1 | // mbed TextDisplay Display Library Base Class |
WiredHome | 167:8aa3fb2a5a31 | 2 | // Copyright © 2007-2009 sford |
WiredHome | 167:8aa3fb2a5a31 | 3 | // Released under the MIT License: http://mbed.org/license/mit |
WiredHome | 19:3f82c1161fd2 | 4 | |
dreschpe | 0:de9d1462a835 | 5 | #include "TextDisplay.h" |
dreschpe | 0:de9d1462a835 | 6 | |
WiredHome | 75:ca78388cfd77 | 7 | //#define DEBUG "Text" |
WiredHome | 29:422616aa04bd | 8 | // ... |
WiredHome | 29:422616aa04bd | 9 | // INFO("Stuff to show %d", var); // new-line is automatically appended |
WiredHome | 29:422616aa04bd | 10 | // |
WiredHome | 29:422616aa04bd | 11 | #if (defined(DEBUG) && !defined(TARGET_LPC11U24)) |
WiredHome | 29:422616aa04bd | 12 | #define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 29:422616aa04bd | 13 | #define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 29:422616aa04bd | 14 | #define ERR(x, ...) std::printf("[ERR %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 29:422616aa04bd | 15 | #else |
WiredHome | 29:422616aa04bd | 16 | #define INFO(x, ...) |
WiredHome | 29:422616aa04bd | 17 | #define WARN(x, ...) |
WiredHome | 29:422616aa04bd | 18 | #define ERR(x, ...) |
WiredHome | 29:422616aa04bd | 19 | #endif |
WiredHome | 29:422616aa04bd | 20 | |
WiredHome | 19:3f82c1161fd2 | 21 | TextDisplay::TextDisplay(const char *name) : Stream(name) |
WiredHome | 19:3f82c1161fd2 | 22 | { |
dreschpe | 0:de9d1462a835 | 23 | _row = 0; |
dreschpe | 0:de9d1462a835 | 24 | _column = 0; |
dreschpe | 0:de9d1462a835 | 25 | if (name == NULL) { |
dreschpe | 0:de9d1462a835 | 26 | _path = NULL; |
dreschpe | 0:de9d1462a835 | 27 | } else { |
WiredHome | 141:2ec78a50dc98 | 28 | int len = strlen(name) + 2; |
WiredHome | 141:2ec78a50dc98 | 29 | _path = new char[len]; |
WiredHome | 141:2ec78a50dc98 | 30 | snprintf(_path, len, "/%s", name); |
dreschpe | 0:de9d1462a835 | 31 | } |
dreschpe | 0:de9d1462a835 | 32 | } |
WiredHome | 19:3f82c1161fd2 | 33 | |
WiredHome | 104:8d1d3832a215 | 34 | //TextDisplay::~TextDisplay() |
WiredHome | 104:8d1d3832a215 | 35 | //{ |
WiredHome | 104:8d1d3832a215 | 36 | // delete [] _path; |
WiredHome | 104:8d1d3832a215 | 37 | //} |
WiredHome | 103:7e0464ca6c5c | 38 | |
WiredHome | 19:3f82c1161fd2 | 39 | int TextDisplay::_putc(int value) |
WiredHome | 19:3f82c1161fd2 | 40 | { |
WiredHome | 29:422616aa04bd | 41 | INFO("_putc(%d)", value); |
dreschpe | 0:de9d1462a835 | 42 | if(value == '\n') { |
dreschpe | 0:de9d1462a835 | 43 | _column = 0; |
dreschpe | 0:de9d1462a835 | 44 | _row++; |
WiredHome | 47:d96a09269f91 | 45 | if(_row >= rows()) { |
dreschpe | 0:de9d1462a835 | 46 | _row = 0; |
dreschpe | 0:de9d1462a835 | 47 | } |
dreschpe | 0:de9d1462a835 | 48 | } else { |
dreschpe | 0:de9d1462a835 | 49 | character(_column, _row, value); |
dreschpe | 0:de9d1462a835 | 50 | _column++; |
dreschpe | 0:de9d1462a835 | 51 | if(_column >= columns()) { |
dreschpe | 0:de9d1462a835 | 52 | _column = 0; |
dreschpe | 0:de9d1462a835 | 53 | _row++; |
WiredHome | 47:d96a09269f91 | 54 | if(_row >= rows()) { |
dreschpe | 0:de9d1462a835 | 55 | _row = 0; |
dreschpe | 0:de9d1462a835 | 56 | } |
dreschpe | 0:de9d1462a835 | 57 | } |
dreschpe | 0:de9d1462a835 | 58 | } |
dreschpe | 0:de9d1462a835 | 59 | return value; |
dreschpe | 0:de9d1462a835 | 60 | } |
dreschpe | 0:de9d1462a835 | 61 | |
dreschpe | 0:de9d1462a835 | 62 | // crude cls implementation, should generally be overwritten in derived class |
WiredHome | 61:8f3153bf0baa | 63 | RetCode_t TextDisplay::cls(uint16_t layers) |
WiredHome | 19:3f82c1161fd2 | 64 | { |
WiredHome | 29:422616aa04bd | 65 | INFO("cls()"); |
dreschpe | 0:de9d1462a835 | 66 | locate(0, 0); |
dreschpe | 0:de9d1462a835 | 67 | for(int i=0; i<columns()*rows(); i++) { |
dreschpe | 0:de9d1462a835 | 68 | putc(' '); |
dreschpe | 0:de9d1462a835 | 69 | } |
WiredHome | 19:3f82c1161fd2 | 70 | return noerror; |
dreschpe | 0:de9d1462a835 | 71 | } |
dreschpe | 0:de9d1462a835 | 72 | |
WiredHome | 37:f19b7e7449dc | 73 | RetCode_t TextDisplay::locate(textloc_t column, textloc_t row) |
WiredHome | 19:3f82c1161fd2 | 74 | { |
WiredHome | 29:422616aa04bd | 75 | INFO("locate(%d,%d)", column, row); |
dreschpe | 0:de9d1462a835 | 76 | _column = column; |
dreschpe | 0:de9d1462a835 | 77 | _row = row; |
WiredHome | 19:3f82c1161fd2 | 78 | return noerror; |
dreschpe | 0:de9d1462a835 | 79 | } |
dreschpe | 0:de9d1462a835 | 80 | |
WiredHome | 19:3f82c1161fd2 | 81 | int TextDisplay::_getc() |
WiredHome | 19:3f82c1161fd2 | 82 | { |
dreschpe | 0:de9d1462a835 | 83 | return -1; |
dreschpe | 0:de9d1462a835 | 84 | } |
WiredHome | 19:3f82c1161fd2 | 85 | |
WiredHome | 33:b6b710758ab3 | 86 | RetCode_t TextDisplay::foreground(uint16_t color) |
WiredHome | 19:3f82c1161fd2 | 87 | { |
WiredHome | 37:f19b7e7449dc | 88 | //INFO("foreground(%4X)", color); |
WiredHome | 33:b6b710758ab3 | 89 | _foreground = color; |
WiredHome | 19:3f82c1161fd2 | 90 | return noerror; |
dreschpe | 0:de9d1462a835 | 91 | } |
dreschpe | 0:de9d1462a835 | 92 | |
WiredHome | 33:b6b710758ab3 | 93 | RetCode_t TextDisplay::background(uint16_t color) |
WiredHome | 19:3f82c1161fd2 | 94 | { |
WiredHome | 37:f19b7e7449dc | 95 | //INFO("background(%4X)", color); |
WiredHome | 33:b6b710758ab3 | 96 | _background = color; |
WiredHome | 19:3f82c1161fd2 | 97 | return noerror; |
dreschpe | 0:de9d1462a835 | 98 | } |
dreschpe | 0:de9d1462a835 | 99 | |
WiredHome | 29:422616aa04bd | 100 | bool TextDisplay::claim(FILE *stream) |
WiredHome | 19:3f82c1161fd2 | 101 | { |
dreschpe | 0:de9d1462a835 | 102 | if ( _path == NULL) { |
WiredHome | 19:3f82c1161fd2 | 103 | fprintf(stderr, "claim requires a name to be given in the instantiator of the TextDisplay instance!\r\n"); |
dreschpe | 0:de9d1462a835 | 104 | return false; |
dreschpe | 0:de9d1462a835 | 105 | } |
dreschpe | 0:de9d1462a835 | 106 | if (freopen(_path, "w", stream) == NULL) { |
WiredHome | 29:422616aa04bd | 107 | return false; // Failed, should not happen |
dreschpe | 0:de9d1462a835 | 108 | } |
dreschpe | 0:de9d1462a835 | 109 | // make sure we use line buffering |
dreschpe | 0:de9d1462a835 | 110 | setvbuf(stdout, NULL, _IOLBF, columns()); |
dreschpe | 0:de9d1462a835 | 111 | return true; |
WiredHome | 19:3f82c1161fd2 | 112 | } |
WiredHome | 33:b6b710758ab3 | 113 |